1. Pressure leaching process for complex zinc-lead concentrates;Bolton,1979
2. Complex Metallurgy '78,1978
3. Complex Sulfide Ores,1980
4. Hydrometallurgical treatment of complex sulfides;Demarthe,1978
5. Ferric sulfate percolation leaching of a pyritic Zn-Pb-Cu ore;Dutrizac;CIM Bull.,1979